Nidaamka faylka btrfs Hirgelinta asynchronous ee hawlgalka DISCARD (calaamaynta baloogyada la sii daayay ee aan hadda u baahnayn in jidh ahaan loo kaydiyo), oo ay fuliyeen injineerada Facebook.
Nuxurka dhibaatada: hirgelinta asalka ah, DISCARD waxaa loo sameeyaa si la mid ah hawlgallada kale, taas oo mararka qaarkood keenta dhibaatooyinka waxqabadka, maadaama darawaladu ay tahay inay sugaan amarrada u dhigma si ay u dhammaystiraan, taas oo u baahan waqti dheeraad ah. Tani waxay noqon kartaa dhibaato haddii fulinta DISCARD waduhu uu gaabis yahay.
Iyada oo la adeegsanayo hirgelinta asynchronous, looma baahna in la sugo darawalku si uu u dhamaystiro DISCARD inta lagu jiro hawlgalka caadiga ah ee FS, kaas oo tirtiraya dhibaatada adoo u wareejinaya hawlgalkan asalka. Hirgelinta la soo bandhigay ayaa sidoo kale qabata qaar ka mid ah hagaajinta. Tusaale ahaan, waxaa la sugayaa muddo iyadoo laga walaacsan yahay in block-ga dhawaan loo isticmaalo si aan wax faa'iido ah ugu jirin in la fuliyo nidaamka DISKA-DIRIRKA, sidoo kale waxay isku daydaa in la isku daro gobollada ka hor inta aan si dhab ah loo fulin DISCARD si loo yareeyo. tirada guud ee hawlgallada.
Source: opennet.ru